6489628609 has 8 divisors (see below), whose sum is σ = 6558556160. Its totient is φ = 6420815136.

The previous prime is 6489628597. The next prime is 6489628627. The reversal of 6489628609 is 9068269846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6489628609 - 2¹⁵ = 6489595841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6489628109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88384 + ... + 144190.

It is an arithmetic number, because the mean of its divisors is an integer number (819819520).

Almost surely, 2^6489628609 is an apocalyptic number.

It is an amenable number.

6489628609 is a deficient number, since it is larger than the sum of its proper divisors (68927551).

6489628609 is a wasteful number, since it uses less digits than its factorization.

6489628609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57039.

The product of its (nonzero) digits is 8957952, while the sum is 58.

The square root of 6489628609 is about 80558.2311685156. The cubic root of 6489628609 is about 1865.2624517384.

The spelling of 6489628609 in words is "six billion, four hundred eighty-nine million, six hundred twenty-eight thousand, six hundred nine".